The characters in the 'future Naruto goes to the past fanfic' would have a wide range of reactions. Hinata, for example, would be both shocked and happy to see Naruto from the future. She might blush and be a bit shy, but also be very curious about his life in the future. Tsunade would initially be distrustful, as she is responsible for the safety of the village. She would question future Naruto thoroughly to make sure he doesn't pose a threat. The Akatsuki members, on the other hand, would view him as a major obstacle. They might try to figure out how to use his time - traveling situation to their advantage. The younger Naruto's sensei, Iruka, would be proud to see what Naruto has become in the future and would be eager to hear his stories. These different reactions would create a lot of interesting dynamics in the fanfic.
The older characters such as Kakashi would be cautious. They would recognize Naruto but also be worried about the implications of someone from the future being in the present. They would want to know if his presence could change the future in a negative way. For example, they might fear that his actions could lead to the earlier awakening of a powerful enemy. As for the villains, they might see future Naruto as a threat and try to eliminate him as soon as possible. Orochimaru, for instance, would be very interested in Naruto's future powers and might try to capture him to study. And the new generation of ninja in the past would look up to future Naruto, seeing him as a symbol of what they could become.
Naruto would likely be excited yet a bit scared. He'd be eager to make the future a better place but also worried about the bad things he might see. Sasuke would probably be more reserved, analyzing the future information carefully. Hinata would be shy about it but also determined to protect those she loves if she saw any danger in the future for them.
Naruto might react with a sense of responsibility. If he saw a future where Konoha was in danger, he would feel it was his duty to do something about it. He could start by gathering information from the future vision, like the weaknesses of the enemy. Then, he would share this knowledge with his comrades and come up with a plan to protect the village.
Some characters might be shocked. For example, Naruto himself would probably be really excited to see how his world is imagined in the future. He'd be happy to see that his story has inspired so many different ideas. Sasuke, on the other hand, might be a bit more skeptical. He'd analyze the fanfiction carefully, looking for any inaccuracies or misinterpretations of his character or the ninja world's values.
He might be really surprised. Naruto is used to his own world and the fanfiction could show things he never imagined. For example, if the fanfiction has his kids achieving great things in new ways, he'd be proud yet a bit shocked at how creative fans can be.
He might be shocked at how the village has developed. In some fanfictions, the village could have advanced technology. Naruto, being from a more traditional ninja world, would likely be both amazed and a bit confused at first.
He might be shocked at first. In fanfiction, the future could be full of unexpected changes. He could be excited to see how his friends and the village have developed. Maybe he'd be a bit sad if things didn't turn out as he hoped for his loved ones.
Perhaps the plot of this 'future Naruto goes to the past fanfic' is centered around Naruto's desire to reunite with his parents. In the future, he realizes that by going back in time, he could meet them when they were alive. So, he travels to the past. Once there, he not only gets to meet his parents but also tries to change some things in the past that would lead to a better future for the entire Hidden Leaf Village. He might use his knowledge of future threats to prepare the village earlier. He could also try to influence his younger self's relationships with other characters, like Sasuke. Maybe he tries to prevent Sasuke from leaving the village in the first place by showing him a vision of the future if he does leave. This would be a very emotional and action - packed plot, full of opportunities for character development and exciting twists.
He would likely be very curious. Naruto has always been eager to learn and explore new things, so seeing future fanfiction would be like opening a door to a new world of possibilities for him.
Sasuke, on the other hand, might be more conflicted. He has his own goals and ideals. If he saw a future that didn't align with what he wanted, he might first question the vision. But ultimately, he could also take steps to change it, especially if it involved the safety of his village or his loved ones like Naruto or Sakura. He has a complex personality, so his reaction would not be straightforward.
Naruto would be excited and ready to face whatever comes. He's always been positive and believing in his ability to change things. So, he'd see it as a challenge to make the future better.